Licensed Heating & Air Conditioning (C-20) contractors in California

The California Contractors State License Board (CSLB) lists 8,936 California contractors classified C-20 (Heating & Air Conditioning (C-20)). Each entry below links to a full dossier with license status, insurance, bond, and enforcement — as of October 7, 2026.

Showing 1,921–1,980 of 8,936 contractors

1. Sequoia Air INC DBA Bustos Heating & Cooling

   Exeter, CA · CSLB #1097878 · as of October 7, 2026
   Active · clear
2. Jim Butcher Heating & Air INC

   Lakeside, CA · CSLB #537817 · as of October 7, 2026
   Active · clear
3. Butler Air

   Bakersfield, CA · CSLB #956871 · as of October 7, 2026
   Active · clear
4. Butler's Heating And Air

   Pomona, CA · CSLB #964290 · as of October 7, 2026
   Active · clear
5. Butte Mechanical

   Paradise, CA · CSLB #904515 · as of October 7, 2026
   Active · clear
6. Buzcor Heating & Air Conditioning

   Temecula, CA · CSLB #951920 · as of October 7, 2026
   Active · clear
7. BV Mechanical Services LLC

   Oakland, CA · CSLB #1134400 · as of October 7, 2026
   Active · clear
8. BY The Book Plumbing Heating Air Conditioning

   San Diego, CA · CSLB #1078955 · as of October 7, 2026
   Active · clear
9. BYZ Heating & Cooling

   Hawthorne, CA · CSLB #1132042 · as of October 7, 2026
   Active · clear
10. B Z Refrigeration

    Pacheco, CA · CSLB #1004726 · as of October 7, 2026
    Active · clear
11. C1 Airtech

    Cerritos, CA · CSLB #1142638 · as of October 7, 2026
    Active · clear
12. C-20 Air Heating & Air Conditioning

    Rialto, CA · CSLB #1032576 · as of October 7, 2026
    Active · clear
13. Cable Technologies

    Spring Valley, CA · CSLB #1033309 · as of October 7, 2026
    Active · clear
14. Cabrerascooling LLC

    Sacramento, CA · CSLB #1151971 · as of October 7, 2026
    Active · clear
15. Two Guys Plumbing INC DBA Cabrillo Plumbing & Heating

    San Francisco, CA · CSLB #629538 · as of October 7, 2026
    Active · clear
16. Caceres Air Solutions INC

    Jurupa Valley, CA · CSLB #1097653 · as of October 7, 2026
    Active · clear
17. Cadillac Heating & Air

    Citrus Heights, CA · CSLB #1138198 · as of October 7, 2026
    Active · clear
18. Caesar's Appliance Service INC

    Laguna Niguel, CA · CSLB #1121041 · as of October 7, 2026
    Active · clear
19. Ca Heating And Air Conditioning

    Livermore, CA · CSLB #1099080 · as of October 7, 2026
    Active · clear
20. Cah Heating & Cooling INC

    Los Angeles, CA · CSLB #1129126 · as of October 7, 2026
    Active · clear
21. Cal Air Control

    Bakersfield, CA · CSLB #749289 · as of October 7, 2026
    Active · clear
22. Cal - Air Cooling & Heating

    Visalia, CA · CSLB #960911 · as of October 7, 2026
    Active · clear
23. Cal - Air Heating + Cooling

    Redlands, CA · CSLB #1060345 · as of October 7, 2026
    Active · clear
24. Cal Air & Heating Services

    Fillmore, CA · CSLB #1018414 · as of October 7, 2026
    Active · clear
25. Cal-air Home And Comfort LLC

    Rancho Cordova, CA · CSLB #1157218 · as of October 7, 2026
    Active · clear
26. Cal Air Solutions INC

    Salida, CA · CSLB #1134053 · as of October 7, 2026
    Active · clear
27. Cal Air Systems

    Shingle Springs, CA · CSLB #1080885 · as of October 7, 2026
    Active · clear
28. Cal Bay Mechanical INC

    San Jose, CA · CSLB #1044355 · as of October 7, 2026
    Active · clear
29. Cal - Bay Service

    Benicia, CA · CSLB #690694 · as of October 7, 2026
    Active · clear
30. Cal Bear Heating And Air LLC

    Rancho Cordova, CA · CSLB #1121878 · as of October 7, 2026
    Active · clear
31. Cal-breeze Heating & Air Conditioning LLC

    Dublin, CA · CSLB #1147896 · as of October 7, 2026
    Active · clear
32. Cal Climate Corporation

    Burbank, CA · CSLB #265735 · as of October 7, 2026
    Active · clear
33. Cal-coast Refrigeration INC

    Santa Maria, CA · CSLB #647278 · as of October 7, 2026
    Active · clear
34. Cal Comfort

    Richmond, CA · CSLB #867824 · as of October 7, 2026
    Active · clear
35. Calcoms

    Brea, CA · CSLB #960030 · as of October 7, 2026
    Active · clear
36. Cal - Cool Mechanical

    San Diego, CA · CSLB #741451 · as of October 7, 2026
    Active · clear
37. Calculated Aire INC

    Redondo Beach, CA · CSLB #1114379 · as of October 7, 2026
    Active · clear
38. Calculated Air INC

    Encino, CA · CSLB #545604 · as of October 7, 2026
    Active · clear
39. Caledonian Mechanical INC

    Clovis, CA · CSLB #1021531 · as of October 7, 2026
    Active · clear
40. Cal Heating & Air INC

    Hollister, CA · CSLB #920156 · as of October 7, 2026
    Active · clear
41. Cal Home Run

    Redlands, CA · CSLB #1154550 · as of October 7, 2026
    Active · clear
42. Cal HVAC Services

    Irvine, CA · CSLB #1032743 · as of October 7, 2026
    Active · clear
43. Cali Air

    Lincoln, CA · CSLB #1126238 · as of October 7, 2026
    Active · clear
44. Cali Aire

    Winnetka, CA · CSLB #1011490 · as of October 7, 2026
    Active · clear
45. Caliaire INC

    Sacramento, CA · CSLB #732849 · as of October 7, 2026
    Active · clear
46. Cali Bear Heating & Air-conditioning

    Arleta, CA · CSLB #1094117 · as of October 7, 2026
    Active · clear
47. Caliber Air

    Huntington Beach, CA · CSLB #845043 · as of October 7, 2026
    Active · clear
48. Caliber Heating & Air Conditioning INC

    Anaheim, CA · CSLB #853660 · as of October 7, 2026
    Active · clear
49. Caliber Heating & Air Conditioning Services INC

    Los Angeles, CA · CSLB #1033366 · as of October 7, 2026
    Active · clear
50. Cali Breeze Heating And Air Conditioning

    Vista, CA · CSLB #1052980 · as of October 7, 2026
    Active · clear
51. Cali Central Mechanical HVAC

    San Bernardino, CA · CSLB #1092396 · as of October 7, 2026
    Active · clear
52. Cali Climate Mechanical

    Brentwood, CA · CSLB #1028723 · as of October 7, 2026
    Active · clear
53. Calicool HVAC

    Simi Valley, CA · CSLB #1074161 · as of October 7, 2026
    Active · clear
54. Cali Cooling

    North Highlands, CA · CSLB #1076274 · as of October 7, 2026
    Active · clear
55. Calida Air Conditioning & Heating

    Garden Grove, CA · CSLB #1129064 · as of October 7, 2026
    Active · clear
56. Calif Heating & Air Conditioning

    Winnetka, CA · CSLB #1126899 · as of October 7, 2026
    Active · clear
57. California A / C

    Los Angeles, CA · CSLB #903886 · as of October 7, 2026
    Active · clear
58. California A/c & Heating

    Venice, CA · CSLB #1131260 · as of October 7, 2026
    Active · clear
59. California Air Balance Specialist

    Granada Hills, CA · CSLB #1092936 · as of October 7, 2026
    Active · clear
60. California Air Comfort

    Rocklin, CA · CSLB #1011471 · as of October 7, 2026
    Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of October 7, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.